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Catalyst University
Quantifying Precision | Calculating a Parts-per-Thousand [ppt]
In this video, I show you how to calculate the quantity, Parts-per-Thousand [ppt], for a data set to determine whether or not your data is precise.
NASA
Why Observe?: Tree Height
"Why Observe?: Tree Height" explores surface height measurement missions and the role that citizen science can play within the scientific community. NASA uses field campaigns and sensors on satellites and the International Space Station...
NASA
NASA's NICER Tests Matter's Limits
Matter in the hearts of neutron stars – dense remnants of exploded massive stars – takes the most extreme form we can measure. Now, thanks to data from NASA’s Neutron star Interior Composition Explorer (NICER), an X-ray telescope on the...
NASA
NASA | Taking Earth's Temperature
Next month, world leaders will gather in Copenhagen at the United Nations Climate Change Conference to negotiate a new global climate treaty. In anticipation of this event, NASA has compiled a multimedia resource collection for editors...
Brian McLogan
What is the SSS Congruence Theorem for Triangles - Congruent Triangles
👉 Learn about congruent triangles theorems. Two or more triangles (or polygons) are said to be congruent if they have the same shape and size. There are many methods to determine whether two triangles are congruent. Some of the methods...
Brian McLogan
What is the HL Theorem - Congruent Triangles
👉 Learn about congruent triangles theorems. Two or more triangles are said to be congruent if they have the same shape and size. There are many methods to determine whether two triangles are congruent. Some of the methods include: (1)...
NASA
NASA | Goddard's Speedy MMS Instruments Will Measure Mysterious Physics
Host Katrina Jackson talks with Craig Pollock and Ulrik Gliese about Goddard's contribution to the Magnetospheric Multiscale mission - the Fast Plasma Investigation suite of instruments. These instruments will study a little-understood...
NASA
Temperature Record 101: How We Know What We Know about Climate Change
2021 was tied for the sixth warmest year on NASA’s record, stretching more than a century. But, what is a temperature record? GISTEMP, NASA’s global temperature analysis, takes in millions of observations from instruments on weather...
NASA
NASA | Tour of the Moon
Although the moon has remained largely unchanged during human history, our understanding of it and how it has evolved over time has evolved dramatically. Thanks to new measurements, we have new and unprecedented views of its surface,...
NASA
NASA / USGS | Landsat: A Space Age Water Gauge
Water specialists Rick Allen, Bill Kramber and Tony Morse have created an innovative satellite-based method that maps agricultural water consumption. The team uses Landsat thermal band data to measure the amount of water evaporating from...
NASA
NASA | Mapping Mars' Upper Atmosphere
High above the thin Martian skies, NASA’s MAVEN spacecraft is carrying out a mission: determine how Mars lost its early atmosphere, and with it, its water. While previous Mars orbiters have peered down at the planet’s surface, MAVEN is...
NASA
NASA | Birth of a Space Laser Instrument
A new C02 laser, which will globally measure carbon dioxide from space, is due to be launched in 2023 on the ASCENDS mission. One of the exciting things about this project is that you can actually watch trees eat and breathe. Of course,...
National Parks Service
Acadia National Park - Turbidity Instructional Video
Turbidity Instructional Video
NASA
NASA | Water on the Moon
Since the 1960's, scientists have suspected that frozen water could survive in cold, dark craters at the Moon's poles. While previous lunar missions have detected hints of water on the Moon, new data from the Lunar Reconnaissance Orbiter...
NASA
NASA | Five Years of Great Discoveries for NASA's IBEX
Launched on Oct. 19, 2008, the Interstellar Boundary Explorer, or IBEX, spacecraft, is unique to NASA's heliophysics fleet: it images the outer boundary of the heliosphere, a boundary at the furthest edges of the solar system, far past...
NASA
Getting SET - The Mission to Protect Satellites from Radiation
Summer 2019, NASA's Space Environment Testbeds, or SET, will launch on its mission to study how to better protect satellites in space. SET studies the very nature of space itself -- which isn't completely empty, but brimming with...
Brian McLogan
Master labeling complementary and supplementary angle from a figure
Master labeling complementary and supplementary angle from a figure
Schooling Online
Chemistry Skills: Significant Figures
Using significant figures is as easy as watching Netflix! This lesson will bring back the basics: counting and rounding significant figures. To finish, we’ll explore how significant figures are related to accuracy and how to approach...
Curated Video
School Laboratory (Make line plots to display measurements in fractions of a unit and use addition and/or subtraction to solve problems based on information presented in line plots)
Draw a line plot of the volume measurement of liquids found in the school’s laboratory and answer questions about them.
Curated Video
Subtracting Measurements of Mass
Subtract whole measurements of mass in standard units to make an estimate.
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Polygon Problem - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Brian McLogan
Convert an angle from radian to degrees
👉 Learn how to convert angles from radians to degrees. Recall that pi radians is equivalent to 180 degrees. Thus, when given an angle in radians, to convert the angle to degrees we multiply the given angle radians by the ratio 180/pi.
Curated Video
Determining if Given Measurements Can Create a Triangle
In this lesson, students will learn how to determine if given measurements can form a triangle by applying the triangle inequality theorem. They will understand that the sum of any two sides of a triangle must be greater than the third...
NASA
NASA’s NICER Reveals 1st-ever Pulsar Surface Map
Scientists have reached a new frontier in our understanding of pulsars, the dense, whirling remains of exploded stars, thanks to observations from NASA’s Neutron star Interior Composition Explorer (NICER). Data from this X-ray telescope...